Module: ThreeScale::Backend::TimeHacks

Defined in:
lib/3scale/backend/extensions/time.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

ONE_MINUTE = 
60
ONE_HOUR = 
60 * ONE_MINUTE
ONE_DAY = 
24 * ONE_HOUR

Instance Method Summary collapse

Instance Method Details

#beginning_of_bucket(seconds_in_bucket) ⇒ Object 



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# File 'lib/3scale/backend/extensions/time.rb', line 8

def beginning_of_bucket(seconds_in_bucket)
  if seconds_in_bucket > 30 || seconds_in_bucket < 1 || !seconds_in_bucket.is_a?(Integer)
    raise Exception, "seconds_in_bucket cannot be larger than 30 seconds or smaller than 1"
  end
  norm_sec = (sec/seconds_in_bucket)*seconds_in_bucket
  self.class.utc(year, month, day, hour, min, norm_sec)
end

#to_compact_s ⇒ Object

This function is equivalent to: strftime(‘%Y%m%d%H%M%S’).sub(/00,6$/, ”).

When profiling, we found that this method was one of the ones which consumed more CPU time so we decided to optimize it.



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# File 'lib/3scale/backend/extensions/time.rb', line 52

def to_compact_s
  s = year * 10000 +  month * 100 + day
  if sec != 0
    s = s * 100000 + hour * 1000 + min * 10
    MODS[sec] == 0 ? s + DIVS[sec] : s * 10 + sec
  elsif min != 0
    s = s * 1000 + hour * 10
    MODS[min] == 0 ? s + DIVS[min] : s * 10 + min
  elsif hour != 0
    s = s * 10
    MODS[hour] == 0 ? s + DIVS[hour] : s * 10 + hour
  else
    s
  end.to_s
end

#to_not_compact_s ⇒ Object 



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# File 'lib/3scale/backend/extensions/time.rb', line 68

def to_not_compact_s
  (year * 10000000000 + month * 100000000 + day * 1000000 +
   hour * 10000 + min * 100 + sec).to_s
end